Type: humidifier parts Noise: less than 36db Shape: classic columnar Power type: USB Type: ultrasonic humidifier Classification: humidification Application: 11-20 square meters Model number: wood aromatherapy Function: ultrasonic sterilization Mist capacity (gallon/day): 30 ML/H Humidity control: press type Humidification capacity: 250ml/hPower (W): 3W Voltage (V): DC5V/350MA Capacity: 130ML Product Name: Replacement Cotton Sticks for Portable Personal Humidifiers with USB Power. Color White Material: Cotton Fiber Size: 75x7mm Package Contents: 50 * Sponges Only the above package content, other products not are included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.